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2003-08-06 * Allow a name to be given to a system configuration through `--name Eelco Dolstra1-3/+7
NAME'. E.g., on the losser Subversion server, I do `nix-switch --name svn $(fix ...)' to atomically upgrade the server (the SVN server uses the Apache and Subversion installations in /nix/var/nix/links/svn).
2003-07-29 * Get garbage collection and cache population to work *properly*.Eelco Dolstra1-17/+35
Renamed `fstateRefs' to `fstateRequisites'. The semantics of this function is that it returns a list of all paths necessary to realise a given expression. For a derive expression, this is the union of requisites of the inputs; for a slice expression, it is the path of each element in the slice. Also included are the paths of the expressions themselves. Optionally, one can also include the requisites of successor expressions (to recycle intermediate results). * `nix-switch' now distinguishes between an expression and its normal form. Usually, only the normal form is registered as a root of the garbage collector. With the `--source-root' flag, it will also register the original expression as a root. * `nix-collect-garbage' now has a flag `--keep-successors' which causes successors not to be included in the list of garbage paths. * `nix-collect-garbage' now has a flag `--invert' which will print all paths that should *not* be garbage collected.
2003-07-21 * Syntax fixes.Eelco Dolstra1-4/+4
* When pushing, put the hash in the file name so that the client can verify (proof-carrying file names?).
2003-07-20 * Argh, another short-write problem. Added wrappers aroundEelco Dolstra1-0/+3
read()/write() to fix this once and for all.
2003-07-13 * Generate the scripts so that we can substitute the prefixEelco Dolstra1-0/+61
etc. correctly. * Fixed nix-switch.